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Mathematical Surface Area of Regular Pyramids

Learn how to find the surface area of regular pyramids in this musical math lesson. Join us tomorrow in my room for a discussion on the topic. Get your agenda out and mark it now!

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Mathematical Surface Area of Regular Pyramids

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  1. Materials Reminders

  2. Get out your agenda if you see your name below. You need to come to my room tomorrow.

  3. Musical Math Find the surface area of the following solid.

  4. Cornell Notes Topic: 7-8 Surface area of Pyramids Essential Question(s): How do I find the surface area of a pyramid?

  5. Questions: Notes: Cornell Notes What is a regular pyramid? Regular Pyramid – a pyramid with a base that is a REGULAR polygon Example: What is the slant height of a pyramid? Slant Height – the height of each lateral face Example:

  6. Questions: Notes: Cornell Notes How do I find the surface area of a regular pyramid? Step 1 – Find the area of a single lateral face Step 2 – Multiply this area by the total number of lateral faces Step 3 – Find the area of the base Step 4 – Add up all the areas (all the lateral faces and the base) Example: 5 ft 4 ft 4 ft

  7. Concept Check In your table groups, use a WHITE BOARD to determine how many square feet of glass you would need to make the following skylight? 3 ft 2.5 ft

  8. Homework Pages 395; 4-9 and 13 AND Cornell Notes Summary

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